The LL54 5YA postcode was located in Gwynedd, Gwynedd postcode town, within Wales, Wales region.
It is now a terminated postcode, it was a Large User postcode introduced in 1991-01 and terminated on 1991-12.
| Name | Type |
|---|---|
| OA21CD | W00000450 |
| LSOA21CD | W01000088 |
| MSOA21CD | W02000016 |
| MSOA21 | Caernarfon West & Waunfawr |
| Postcode Area | LL54 |
| Ward | Llanwnda |
| LTLA22 | Gwynedd |
| UTLA22 | Gwynedd |
| Region | Wales |
| Country | Wales |
| Co-ordinates | [ -4.297392088845291, 53.10509033808074 ] |